German is one of most used language on the world. Many languages have German loan words and it is second language of over 80 million people not living in German spoken country.
And there are 7 German spoken countries, which you should consider learning German before going there.
Naturally, Germany is the number one. It has over 75 million native German speakers and over 5 millon peoples second language is German. German us definitely main language for communication, be aware.
Despite there are in 76.000 native German speakers, over two million peoples second language is German. German is one of offical languages in Belgium. But if you know French or Dutch, you can find anyone to talk too. Because French and Dutch are official languages as German.
This small European country frequently confused with Australia, but had nothing in common. Austria has nearly 9 million population and over 8 millons of them speak German. However, common Austrians speaks in Bavarian dialect.
64.6% population of Switzerland are German speakers. German is not one official language, there are three other official languages : French, Italian and Romansh. If you are German speaker, it wouldn't be difficult to find someone to talk.
Only 10.3% population of Luxembourg are Germans. However, more than half of population speaks German as their second language. Heart of EU are great place for German speakers.
Liechtenstein is one of smallest countries of the World. Only has 38.557 population. Over 85% of them are native German speakers. And rest of them speaks German as their second language. It would be really hard to find someone who speaks other language in this small country.
7. South Tyrol
Last one is not a country, but autonomous province of Italy. Almost 70% of population are native Germans. Follow it Italian and Ladin speakers. German speakers who visit Italy shouldn't forget about this little province.